/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets.friends;

import beans.user.UserBean;
import database.Database;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Not Stephen
 */
public class GetFriendsServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        UserBean user = (UserBean) request.getSession().getAttribute("userBean");
        
        try {
             Connection c = Database.getConnection();
             if(c != null){
                try {
                    PreparedStatement s = c.prepareStatement("SELECT * FROM friend WHERE user1Id = ? OR user2Id = ?");
                    s.setInt(1,user.getId());
                    s.setInt(2,user.getId());
                    ResultSet rs = s.executeQuery();
                    while(rs.next()){
                       int friendId = (rs.getInt("user2Id") == user.getId()?rs.getInt("user1Id"):rs.getInt("user2Id"));
                       PreparedStatement ss = c.prepareStatement("SELECT * FROM user WHERE id = ?");
                       ss.setInt(1, friendId);
                       ResultSet rss = ss.executeQuery();
                       while(rss.next()){
                           out.println("<div class='friendDiv'><span class='friend' title='" + rss.getInt("id") + "'>" + rss.getString("name") 
                                   + "</span><input type='checkbox' name='friendCheckbox' class='friendCheckBox' value='" + rss.getInt("id")+"' /></div>");
                       }
                    }
                    //////lol///
                    out.println("<input type='button' id='addFriendToTripButton' value='Add to Trip' onclick='addFriendsToTrip()'/>");
                    out.println("<div id='addFriendDialog' class='invisible'><input id='friendEmail' type='text' value='Email' onfocus='clearBox()' onblur='refill()' onkeyup='findFriend()' />"+
                            "</div>");
                    out.println("<div id='friendsDisplay'></div>");
                    out.println("<input type='button' id='addFriendsButton' value='Find Friend' onclick='displayDialog()'/>"+
                            "<input id='closeButton' type='button' value='Close' onclick='closeDialog()' class='invisible'/>");
                    out.println("<br/><br/><br/><br/>");
                    out.println("<input id='deleteFriend' type='button' value='Delete' onclick='deleteFriend()'/>");
                } catch (SQLException ex) {
                   // Logger.getLogger(GetFriendsServlet.class.getName()).log(Level.SEVERE, null, ex);
                }
             }
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
